JPH0221636U - - Google Patents
Info
- Publication number
- JPH0221636U JPH0221636U JP10023888U JP10023888U JPH0221636U JP H0221636 U JPH0221636 U JP H0221636U JP 10023888 U JP10023888 U JP 10023888U JP 10023888 U JP10023888 U JP 10023888U JP H0221636 U JPH0221636 U JP H0221636U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic motor
- film
- control circuit
- rewinding
- ultrasonic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Cameras Including Film Mechanisms (AREA)
Description
第１図は本考案のブロツク構成図であり、第２
図は本考案の一実施例を示したシーケンス図であ
る。
１……カメラ本体、２……スプール、３……フ
オーク、５……巻上げ用超音波モータ、６……巻
戻し用超音波モータ、１０……制御回路、１１…
…駆動回路、１２……フイルム位置検出部。
Figure 1 is a block diagram of the present invention;
The figure is a sequence diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Camera body, 2... Spool, 3... Fork, 5... Ultrasonic motor for winding, 6... Ultrasonic motor for rewinding, 10... Control circuit, 11...
...Drive circuit, 12...Film position detection section.
Claims (1)
巻戻し機構と連動する巻戻し用超音波モータと、
前記二つの超音波モータの駆動を制御する制御回
路と、前記制御回路からの信号により前記二つの
超音波モータを駆動する駆動回路と、フイルム送
り状態を検出して、前記制御回路へその状態を信
号として出力する検出部とから成るカメラのフイ
ルム巻上げ装置において、フイルムの規定コマ数
分を巻上げ完了する直前に、巻戻し用超音波モー
タの定在波を小さくするか又は停止させて、フイ
ルムにバツクテンシヨンを与えることを特徴とす
る超音波モータを用いたフイルム巻上げ装置。 A winding ultrasonic motor that works with the spool;
a rewinding ultrasonic motor interlocked with a rewinding mechanism;
a control circuit that controls driving of the two ultrasonic motors; a drive circuit that drives the two ultrasonic motors based on signals from the control circuit; and a drive circuit that detects a film feeding condition and sends the status to the control circuit. In the film winding device of the camera, which consists of a detection unit that outputs a signal, the standing wave of the rewinding ultrasonic motor is reduced or stopped immediately before winding of a specified number of frames of film is completed. A film winding device using an ultrasonic motor characterized by providing back tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10023888U JPH0221636U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10023888U JPH0221636U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221636U true JPH0221636U (en) | 1990-02-14 |
Family
ID=31328140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10023888U Pending JPH0221636U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221636U (en) |
-
1988
- 1988-07-28 JP JP10023888U patent/JPH0221636U/ja active Pending
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